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What is the Least Common Multiple of 66621 and 66626?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 66621 and 66626 is 4438690746.

LCM(66621,66626) = 4438690746

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Least Common Multiple of 66621 and 66626 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66621 and 66626, than apply into the LCM equation.

GCF(66621,66626) = 1
LCM(66621,66626) = ( 66621 × 66626) / 1
LCM(66621,66626) = 4438690746 / 1
LCM(66621,66626) = 4438690746

Least Common Multiple (LCM) of 66621 and 66626 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66621 and 66626. First we will calculate the prime factors of 66621 and 66626.

Prime Factorization of 66621

Prime factors of 66621 are 3, 53, 419. Prime factorization of 66621 in exponential form is:

66621 = 31 × 531 × 4191

Prime Factorization of 66626

Prime factors of 66626 are 2, 7, 4759. Prime factorization of 66626 in exponential form is:

66626 = 21 × 71 × 47591

Now multiplying the highest exponent prime factors to calculate the LCM of 66621 and 66626.

LCM(66621,66626) = 31 × 531 × 4191 × 21 × 71 × 47591
LCM(66621,66626) = 4438690746